JP5069419B2 - Receiver holder - Google Patents

Description

  The present invention relates to a light receiver holder for holding a laser light receiver on a building member.

2. Description of the Related Art Conventionally, there has been a light receiver holder that is attached with a light receiver and is fastened and fixed to a staff member or a building beam via a tightening screw (for example, see Patent Document 1). The light receiver holder includes a mounting plate for mounting and fixing the light receiver, and a clamp frame that is formed integrally with the mounting plate and holds staff and the like inside. The clamp frame is provided with a tightening screw, and the light receiver is held by the staff or the like by turning the tightening screw and clamping the staff or the like between the clamp frame and the tightening screw. When the receiver holder is removed from the staff or the like, it can be removed by turning the tightening screw in the opposite direction and loosening it.
Design Registration No. 1179408

  The above-described receiver holder of Patent Document 1 has a problem that it is necessary to tighten or loosen a fastening screw when attaching or detaching the receiver to a staff or the like, and this work is troublesome. In particular, when inking, it is necessary to move the light receiver from one place to the next in a plurality of locations, and it is very inefficient to loosen and retighten the tightening screw one by one.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a receiver holder that can be easily attached to and detached from a building member, and that improves the workability of inking. is there.

The invention according to claim 1 is a mounting screw in which a light receiver that receives laser light emitted from a laser irradiator and detects an irradiation position of the laser light is attached to a mounting surface, and is penetrated from the back side of the mounting surface. A receiver support portion that supports the receiver, a hook portion that protrudes from the back surface side of the receiver support portion in a direction orthogonal to the back surface and is hooked on a building member, and the back surface of the receiver support portion And a magnet attached to at least one of a part facing the building member or a part of the hooking part facing the building member, and the building member is provided on the light receiver support part. Extending in a direction perpendicular to the surface of the hooking portion facing the surface, provided with a long hole into which the mounting screw is loosely inserted, and substantially parallel to the extending direction of the long hole on the mounting surface of the receiver support portion. Extension, both sides of the receiver Each projecting a pair of photodetectors positioned ribs abut, each photodetector positioning rib, the notch over the width of the light receiver at substantially the same position an intermediate portion of the extending direction is provided It is characterized by.

According to a second aspect of the present invention, in the first aspect of the invention, the mounting screw is configured such that a head of the mounting screw is in contact with the back surface of the receiver support portion, and a tip of the screw portion is the receiver. It is characterized by being formed to have a length protruding from the positioning rib.

  According to invention of Claim 1, it is a back surface of a light receiver support part, Comprising: A hook part is provided by providing a magnet in at least any one of the site | part facing a building member, or the site | part of a hook part facing a building member. By simply hooking on the building member, the light receiver holder is attracted to and held by the building member made of a magnetic material by magnetic force, so that the light receiver holder can be easily attached to and detached from the building member.

Moreover , the light receiver attached to the light receiver holder is provided in the light receiver support portion of the light receiver holder by extending in a direction perpendicular to the surface of the hooking portion facing the building member and loosely inserting the mounting screw. Therefore, the laser beam irradiation deviation amount can be easily measured.

Furthermore , a pair of receiver positioning ribs that respectively contact the both side surfaces of the light receiver are provided on the mounting surface of the light receiver support portion so as to be substantially parallel to the extending direction of the long hole. Even if the receiver is slid, both sides of the receiver are in contact with the receiver positioning ribs, so that the detection reference line of the receiver is less likely to be skewed, and the detection reference line of the receiver Or the vertical direction).

In addition , each receiver positioning rib can be held in a state where the receiver is rotated by 90 degrees by providing a cutout portion that is an intermediate portion in the extending direction and substantially equal to the width of the receiver. In addition to detecting the laser irradiation position in the normal marking direction, there is an effect that the laser irradiation position can be detected in a direction shifted by 90 degrees.

According to the second aspect of the present invention, in addition to the effect of the first aspect, in the state where the head portion of the mounting screw is in contact with the back surface of the receiver support portion, the tip end of the screw portion is more than the receiver positioning rib. Also, by forming the length so as to protrude, the light receiving device can be protruded from the light receiving member positioning rib in a state where the tip of the screw portion is screwed to the light receiving device by loosening the mounting screw. Therefore, there is an effect that the direction of the light receiver can be easily changed without removing and reattaching the light receiver.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. The light receiver holder B according to the present invention is used for holding the light receiver A and attaching it to a building member C such as a beam or a column of a building. In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the direction shown in FIG. 6, and the front of FIG. Accordingly, the left side of FIG. 1 is the rear side.

  First, the light receiver A will be described with reference to FIGS. The light receiver A is provided with a flat rectangular parallelepiped body 16, and a female screw 8 to which a screw portion 5 b provided on the light receiver holder B is screwed is provided at the center of the back surface. Further, the light receiving portions 7 are provided at substantially the same positions on the left and right side surfaces of the container body 16. These light receiving units 7 receive laser light (not shown) emitted from a laser irradiator (not shown), and detect the irradiation position of the laser light. Furthermore, the light receiver A has a built-in level on the top of the body 16 for checking the horizontal level when the top or left side is mounted on the upper side, and a window hole 9 for viewing bubbles in the level is opened. is doing. A plurality of scales 17 are provided on the side surface of the vessel body 16 at equal intervals along the longitudinal direction.

  Next, the light receiver holder B according to the present invention will be described with reference to FIGS. The light receiver holder B includes a rectangular plate-shaped light receiver support portion 1 that is long in the vertical direction, and a semicircular hook portion 2 that protrudes in a direction perpendicular to the back surface from the back surface of one end portion in the longitudinal direction of the light receiver support portion 1. It has. In the center of the light receiver support portion 1 in the left-right direction, a long hole 3 penetrating the light receiver support portion 1 in the thickness direction is provided along the longitudinal direction, and the light receiver A is fixed in the long hole 3. A mounting screw 5 is loosely inserted from the back side of the light receiver support 1. In addition, a pair of light receiving positioning ribs 4 extending substantially in parallel with the extending direction of the long hole 3 are projected on the front surface of the light receiving support 1 (the mounting surface of the light receiving device A). The interval between the receiver positioning ribs 4 is set to be substantially the same as the width dimension of the light receiver A. Each light receiving member positioning rib 4 is provided with a notch 10 having substantially the same size as the width of the light receiving device A at substantially the same position in the intermediate portion in the extending direction.

  The mounting screw 5 is formed in such a length that the tip of the screw portion 5b protrudes from the light receiving member positioning rib 4 in a state where the knob 5a is in contact with the back surface of the light receiving device support portion 1. Further, on the back side of the light receiver support portion 1, a pair of storage recesses 21 are arranged side by side in the vicinity of the protruding portion of the hook portion 2, and a rectangular plate-like magnet 6 receives light in each storage recess 21. It is stored without protruding on the back surface of the vessel support portion 1. Each of these magnets 6 is provided with a U-shaped yoke 18 that covers both side surfaces of the magnet 6 and the surface facing the light receiver support 1. In addition, a plurality of graduations 11 are provided at equal intervals along the longitudinal direction from the side surface to the light receiver positioning rib 4 in the light receiver support portion 1. Furthermore, the notch part 12 used when fixing with a screw is provided in the circumferential part of the hook part 2.

  Next, a method of measuring the horizontal level of the beam 19 by attaching the light receiver A to the building member C, for example, the beam 19 suspended from the ceiling portion of the frame, using the light receiver holder B, based on FIG. 6 and FIG. explain. First, the light receiver A is arranged between the light receiver positioning ribs 4 and 4 so that the longitudinal direction thereof is parallel to the longitudinal direction of the light receiver holder B, and the screw portion 5b of the mounting screw 5 is screwed onto the female screw 8 from the back surface. The receiver A is fixed to the receiver holder B (hereinafter, this mounting state is referred to as a parallel mounting state). Next, as shown in FIG. 7A, the hooking portion 2 is hooked on the upper surface of the beam 19 extending in the horizontal direction in the vicinity of the hanging position on the left side of the beam 19, and the rear surface of the light receiver support portion 1 is placed on the beam 19. Is held by the beam 19 made of a magnetic material by the attracting force of the magnet 6. In this state, the mounting screw 5 is loosened, and the light receiver A is slid along the light receiver positioning rib 4 so that the laser light 15 emitted from the laser irradiator (not shown) is received. Then, the screw portion 5b is screwed in while holding the light receiver A, and the light receiver A is fixed to the light receiver holder B.

  The light receiver A thus positioned is moved to the vicinity of the hanging position on the right side of the beam 19 as shown in FIG. At this time, when the laser beam 15 from the laser irradiator is received, it can be confirmed that the horizontal level of the beam 19 has come out. Further, when the laser beam 15 is not received, the mounting screw 5 is loosened, the receiver A is slid along the receiver positioning rib 4, and is adjusted to the position where the laser beam 15 is received. The amount of vertical displacement of the beam 19 can be measured from the scale 17 provided on the body 16 and the scale 11 provided on the receiver support portion 1 of the receiver holder B and the receiver positioning rib 4.

  Next, a usage method when the light receiver A cannot be attached to the beam 20 will be described with reference to FIGS. First, with the longitudinal direction of the light receiver A oriented perpendicular to the longitudinal direction of the light receiver holder B, the light receiver A is aligned with the notch 10 of the light receiver positioning rib 4, and the screw portion 5 b of the mounting screw 5 from the back surface is connected to the female screw 8. The light receiver A is fixed to the light receiver holder B (hereinafter, this mounting state is referred to as an orthogonal mounting state). Next, when the hook portion 2 is hooked on the side surface of the pillar 13 extending in the vertical direction and the back surface of the light receiver support portion 1 is brought into contact with the pillar 13, the light receiver holder B is detached from the magnetic body by the attraction force of the magnet 6. Held by the pillar 13. From this state, the receiver holder B is moved along the left column 13 and held at a position for receiving the laser beam 15 emitted from the laser irradiator (not shown) (position shown at the upper left in FIG. 9). The distance from the beam 20 to the receiver holder B is measured using a scale or the like. Next, with the receiver A attached to the receiver holder B, the receiver holder B is attached to the right column 14 and is slid along the column 14 to receive the laser beam 15 (in the upper right of FIG. 9). Hold it at the indicated position. In this state, the distance from the beam 20 to the light receiver holder B is measured using a scale or the like, and compared with the above measured value, the amount of vertical displacement of the beam 20 can be confirmed.

  Further, in the same procedure, after measuring the distance from the floor surface to the receiver holder B at the position shown in the lower left of FIG. 9, the receiver holder B is attached to the right column 14 (not shown), and the floor surface is By measuring the distance from the receiver to the receiver holder B and comparing the measured values of both, the amount of vertical displacement of the floor surface can be confirmed.

  In addition, the inclination of a pillar can also be measured using the light receiver holder B of the present embodiment in a state where a laser irradiator (not shown) is installed in the vicinity of the pillar and irradiated with laser light in the vertical direction. First, the light receiver A is attached to the light receiver holder B in a parallel mounting state, the light receiver holder B is attached to the side surface of the column, and the light receiver A is aligned with a position where a vertical laser beam (not shown) is received. Next, in a state where the receiver holder B is moved in the vertical direction and attached to the column, the receiver A is aligned with the position where the laser beam is received, so that the shift amount of the light receiving position from the scales 11 and 17 (that is, the inclination of the column). ) Can be measured.

  Here, a method for changing the mounting state of the light receiver A from the parallel mounting state to the orthogonal mounting state will be described with reference to FIGS. The mounting screw 5 is formed in such a length that the tip of the screw portion 5b protrudes from the receiver positioning rib 4 with the knob 5a in contact with the back surface of the receiver mounting support portion 1, as shown in FIG. In addition, by loosening the mounting screw 5, the front end of the screw portion 5 b is screwed into the female screw 8 provided on the back surface of the light receiver A, and the back surface of the light receiver A protrudes beyond the light receiver positioning rib 4. can do. From this state, as shown in FIG. 10, the light receiver A is rotated 90 degrees with respect to the light receiver holder B, the light receiver A is placed in the notch portion 10, and is fixed again with the mounting screw 5, so that the orthogonal mounting state is obtained. Can be changed. Similarly, the orthogonal mounting state can be returned to the parallel mounting state.

  As described above, the magnet 6 is provided on the back surface of the light receiver support portion 1 of the light receiver holder B at the site facing the building member C, and the hook portion 2 is hooked on the building member C such as a beam or a column of the building. The receiver holder B is attracted to and held by the building member C made of a magnetic material by a magnetic force simply by hooking it, so that the receiver holder B can be easily detached from the building member C, and the inking process is improved. To do. In addition, since the magnet 6 does not protrude from the back surface of the light receiver support portion 1, the back surface of the light receiver support portion 1 can be attached to the building member C without a gap. Furthermore, by providing the iron yoke 18 that covers both the side surfaces of the magnet 6 and the surface facing the light receiver support portion 1, the leakage magnetic flux of the magnet 6 can be reduced and a greater attractive force can be obtained. Therefore, the light receiver holder B can be firmly held by the building member C.

  In addition, since the receiver support portion 1 is provided with the elongated hole 3 extending in the longitudinal direction (that is, the direction orthogonal to the hook portion 2), the mounting screw 5 is moved along the extending direction of the elongated hole 3. be able to. Therefore, the amount of irradiation deviation of the laser beam 15 can be easily measured, and the amount of deviation in the vertical direction of the building member C such as a beam or a column of the building can be easily confirmed. In addition, a pair of light receiving positioning ribs 4 are provided on the mounting surface to which the light receiving device A of the light receiving device support 1 is attached so as to be in contact with both side surfaces of the light receiving device A substantially in parallel with the extending direction of the long hole 3. Even if the photoreceiver A is slid along the long hole 3, both sides of the photoreceiver A are in contact with the photoreceiver positioning rib 4, so that the detection reference line of the photoreceiver A is less likely to be inclined. The detection reference line of the light receiver A can be easily aligned in a certain direction (horizontal or vertical direction, etc.).

  Further, each of the light receiving member positioning ribs 4 is provided with a notch 10 having substantially the same size as the width of the light receiving device A from substantially the same intermediate position in the extending direction, thereby rotating the light receiving device A by 90 degrees. The irradiation position of the laser beam 15 can be detected regardless of the mounting direction to the building member C. Further, the mounting screw 5 is formed in such a length that the tip of the screw portion 5b protrudes from the light receiving unit positioning rib 4 in a state where the knob 5a of the mounting screw 5 is brought into contact with the back surface of the light receiving unit support unit 1. By loosening the mounting screw 5, the light receiver A can be protruded from the light receiver positioning rib 4 in a state where the tip of the screw portion 5 b is screwed into the light receiver A. Therefore, the direction of the light receiver A can be easily changed without removing and reattaching the light receiver A.

  In addition, in this embodiment, although the magnet 6 is provided in the site | part facing the building member C in the back surface of a light receiver support part, you may provide in the site | part of the hook part 2 facing the building member C, and the same An effect is obtained. Further, the notch 10 provided on the surface to which the light receiver A of the light receiver support 1 is attached has substantially the same size as the width of the light receiver A, but it is sufficient that the width is equal to or larger than the width of the light receiver A.

It is sectional drawing of the state hold | maintained at the building member in the state which attached the light receiver to the light receiver holder of this embodiment. It is explanatory drawing explaining the attachment method of the light receiver to a light receiver holder same as the above. It is sectional drawing of the state which held the receiver holder same as the above on the building member. It is a perspective view before attaching a light receiver to a light receiver holder same as the above. It is the perspective view which looked at the receiver holder same as the above from the back. It is a front view of the state which made the light receiver holder same as the above hold | maintain a light receiver, and was attached to the beam of the building. (A) (b) is explanatory drawing of the usage method of a receiver holder same as the above. It is a front view of the state which made the light receiver holder same as the above hold | maintain a light receiver, and was attached to the pillar of the building. It is explanatory drawing explaining the usage method of a receiver holder same as the above. (A) (b) is explanatory drawing explaining the attachment method of the light receiver to a light receiver holder same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Light receiver support part 2 Hook part 4 Light receiver positioning rib 5 Mounting screw 5a Knob 5b Screw part 6 Magnet 10 Notch A Light receiver B Light receiver holder C Building member

Claims (2)

A light receiver that receives the laser light emitted from the laser irradiator and detects the irradiation position of the laser light is attached to the attachment surface, and the light receiver is supported by an attachment screw that penetrates from the back side of the attachment surface. A receiver support, a hook projecting in a direction orthogonal to the back from the back side of the receiver support, and hooked on a building member; and the back of the receiver support and the building member A magnet attached to at least one of the facing part or the part of the hooking part facing the building member, and the receiver support part of the hooking part facing the building member Extending in a direction perpendicular to the surface, provided with a long hole into which the mounting screw is loosely inserted, and extending substantially parallel to the extending direction of the long hole on the mounting surface of the receiver support portion, Abut each side Projecting a pair photoreceiver positioning ribs, each photodetector positioning ribs and wherein the notch or width of the light receiver at substantially the same position an intermediate portion of the extending direction is provided Receiver holder to be used. The mounting screw is formed such that the tip of the screw portion protrudes beyond the receiver positioning rib in a state where the head of the mounting screw is in contact with the back surface of the receiver support portion. The receiver holder according to claim 1 .

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